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VR40 triode

Size This valve measures 155x65mm overall and has a 4 pin B4 base

 

Filament voltage 4V
Filament current 2A
Max anode voltage 400V
Max anode dissipation 25W
Amplification factor * 10
Anode impedance * 1430 ohms
Mutual conductance * 7mA/V
Capacitances
Cgf 10pF
Caf 6pF
Cag 13pF

*: At Va=100, Vg=0.

Pin Function
1 Anode
2 Control grid
3 Filament
4 Filament
VR40

Donated by Peter Sables

 

This file was last modified 15:30:27, Tuesday September 02, 2014